241543261 has 2 divisors, whose sum is σ = 241543262. Its totient is φ = 241543260.

The previous prime is 241543229. The next prime is 241543279. The reversal of 241543261 is 162345142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219217636 + 22325625 = 14806^2 + 4725^2 .

It is a cyclic number.

It is not a de Polignac number, because 241543261 - 2⁵ = 241543229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241543201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120771630 + 120771631.

It is an arithmetic number, because the mean of its divisors is an integer number (120771631).

Almost surely, 2^241543261 is an apocalyptic number.

It is an amenable number.

241543261 is a deficient number, since it is larger than the sum of its proper divisors (1).

241543261 is an equidigital number, since it uses as much as digits as its factorization.

241543261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 241543261 is about 15541.6621054506. The cubic root of 241543261 is about 622.7756759229.

The spelling of 241543261 in words is "two hundred forty-one million, five hundred forty-three thousand, two hundred sixty-one".